7664555547677 has 12 divisors (see below), whose sum is σ = 9041487778656. Its totient is φ = 6477089192280.

The previous prime is 7664555547667. The next prime is 7664555547703. The reversal of 7664555547677 is 7767455554667.

It is not a de Polignac number, because 7664555547677 - 2¹⁴ = 7664555531293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7664555547667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1101542303 + ... + 1101549260.

It is an arithmetic number, because the mean of its divisors is an integer number (753457314888).

Almost surely, 2^{7664555547677} is an apocalyptic number.

It is an amenable number.

7664555547677 is a deficient number, since it is larger than the sum of its proper divisors (1376932230979).

7664555547677 is a wasteful number, since it uses less digits than its factorization.

7664555547677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203091648 (or 2203091641 counting only the distinct ones).

The product of its digits is 5186160000, while the sum is 74.

The spelling of 7664555547677 in words is "seven trillion, six hundred sixty-four billion, five hundred fifty-five million, five hundred forty-seven thousand, six hundred seventy-seven".